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Comparing imaging capabilities of spectral domain and swept source optical coherence tomography angiography in healthy subjects and central serous retinopathy

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Eye and Vision 2018年第1期5卷 182-190页

作者： Fupeng Wang Qinqin Zhang Anthony J.Deegan Jun Chang Ruikang K.Wang Department of Bioengineering University of WashingtonSeattleWashington 98105USA School of Information Science and Engineering Shandong UniversityJinan 250100China

Background:There are two forms of system implementation of optical coherence tomography angiography(octa)in ophthalmic imaging,i.e.,spectral domain(SD-)and swept source octa(SS-octa).The purpose of this paper is to compare the SD-octa and SS-octa for elucidating structural and vascular features associated with central serous retinopathy(CSR),and to evaluate the effects of CSR on SD-and SS-octa’s imaging ***:Normal subjects and CSR patients were imaged by SD-and SS-octa using 3×3 mm and 6×6 mm scan *** signal strengths at the superficial retina,deep retina,Sattler’s layer and Haller’s layer were used to compare the ability of SD-and SS-octa to image structural *** addition,the ability to acquire angiograms were discussed by evaluating retinal vessel *** serous volume(CSV)was measured and it was correlated with difference in signal strengths(ΔS)between two octa ***:Seven normal eyes and seven diseased eyes were *** showed no significant differences between SD-and SS-OCT in detecting structural features of the retinal layer according to the paired ***,when imaging the Sattler’s layer for normal eyes,a significant difference is found between SD-and SS-OCT(pocta for imaging the retinal layers however,when imaging beyond retinal layers,SS-octa appears advantageous in detecting returning *** CSR cases,the CSV may have an impact on sub-C

关键词： Optical coherence tomography spectral domain octa Swept source octa Central serous retinopathy Signal strength Central serous volume

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